• DannyBoy
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      7 months ago

      Nissan named their donut style exhaust gaskets “bearings” so exhaust bearings do exist too.

        • threelonmusketeers
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          7 months ago

          Huh, interesting. I wouldn’t have thought that adding a nitrogen compound to the exhaust would reduce the amount of nitrogen oxides, but I guess urea is a good reducing agent.

      • DannyBoy
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        7 months ago

        Reduces harmful emissions from a diesel motor. Most new diesel trucks and cars have an exhaust fluid reservoir that needs to be kept full.